Actuator



FIG. 1 is a perspective view of an actuator, embodying our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof, the right side being a mirror imagethereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof; and,

FIG. 6 is a bottom view thereof.

The ornamental design for an actuator, as shown and described.